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Posted to issues@ignite.apache.org by "Aleksey Zinoviev (Jira)" <ji...@apache.org> on 2019/09/25 09:21:00 UTC

[jira] [Updated] (IGNITE-9732) Add joins to Spark Dataframe examples

     [ https://issues.apache.org/jira/browse/IGNITE-9732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Zinoviev updated IGNITE-9732:
-------------------------------------
    Affects Version/s:     (was: 2.6)

> Add joins to Spark Dataframe examples
> -------------------------------------
>
>                 Key: IGNITE-9732
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9732
>             Project: Ignite
>          Issue Type: Improvement
>          Components: examples, spark
>    Affects Versions: 2.8
>            Reporter: Valentin Kulichenko
>            Assignee: Aleksey Zinoviev
>            Priority: Major
>             Fix For: 2.8
>
>
> {{IgniteDataFrameExample}} creates two tables - {{city}} and {{person}}, but only {{person}} is actually used. Need to add join examples.
> Would also be great to demonstrate the fact that optimization is working and joins are executed in Ignite, not Spark (using {{explain()}}, maybe?).



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